21.   Dell only makes computers after customers order them, rather them building the machines first, shipping them to retailers and hoping consumers will buy.

22.   Designed without inventory storage space, its newest factory builds a machine only after a customer orders it.

23.   Each machine is built in its own room, with the name of the customer and the expected ship date written on the door.

24.   Engineers have built machines that can fly people through the sound barrier, over mountains and across continents, or even to the moon and back.

25.   For its part, Motorola will build machines based on the PowerPC platform and capable of using software from Apple, IBM, Sun Microsystems Inc. and Microsoft.

26.   For the past two years, MRI has helped the San Diego-based company build machines that test the effectiveness of chemical compounds in battling diseases.

27.   Given its hefty cost and the fact that scientists of many nations will have access to it, this huge machine must be built as a truly international project.

28.   He has built seven machines from scratch, self-taught.

29.   He will need one to compete with other likely Democratic candidates who have been building campaign machines for years, particularly Vice President Al Gore.

30.   He said the plaintiff was dismissed because he was not a good manager and had fallen behind in his primary mission to get the new Centrinet machine built.